/*
 * Copyright 2018-present Open Networking Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.atomix.core.set.impl;

import com.google.common.collect.Sets;
import io.atomix.core.set.DistributedSetType;
import io.atomix.primitive.service.BackupInput;
import io.atomix.primitive.service.BackupOutput;

import java.util.Set;

/**
 * Default distributed set service.
 */
public class DefaultDistributedSetService<E> extends AbstractDistributedSetService<Set<E>, E> implements DistributedSetService<E> {
  public DefaultDistributedSetService() {
    super(DistributedSetType.instance(), Sets.newConcurrentHashSet());
  }

  @Override
  public void backup(BackupOutput output) {
    output.writeObject(Sets.newHashSet(collection));
    output.writeObject(lockedElements);
    output.writeObject(transactions);
  }

  @Override
  public void restore(BackupInput input) {
    collection = Sets.newConcurrentHashSet(input.readObject());
    lockedElements = input.readObject();
    transactions = input.readObject();
  }
}
